vlib/v/checker/tests/with_check_option/v_tictactoe.vv:4:31: error: `len` and `cap` are invalid attributes for fixed array dimension
    2 | 
    3 | fn new_board() [][]string {
    4 |     mut board := [3][]string{ len: 3, init: []string{ len: 3, init: '' } }
      |                               ~~~
    5 |     for i in 0..9 {
    6 |         board[i / 3][i % 3] = (i + 1).str()
vlib/v/checker/tests/with_check_option/v_tictactoe.vv:4:36: error: expression evaluated but not used
    2 | 
    3 | fn new_board() [][]string {
    4 |     mut board := [3][]string{ len: 3, init: []string{ len: 3, init: '' } }
      |                                    ^
    5 |     for i in 0..9 {
    6 |         board[i / 3][i % 3] = (i + 1).str()
vlib/v/checker/tests/with_check_option/v_tictactoe.vv:4:45: error: expression evaluated but not used
    2 | 
    3 | fn new_board() [][]string {
    4 |     mut board := [3][]string{ len: 3, init: []string{ len: 3, init: '' } }
      |                                             ~~~~~~~~~
    5 |     for i in 0..9 {
    6 |         board[i / 3][i % 3] = (i + 1).str()
vlib/v/checker/tests/with_check_option/v_tictactoe.vv:1:1: error: unknown type
    1 | module main
      | ^
    2 | 
    3 | fn new_board() [][]string {
vlib/v/checker/tests/with_check_option/v_tictactoe.vv:6:14: error: unknown type for expression `board`
    4 |     mut board := [3][]string{ len: 3, init: []string{ len: 3, init: '' } }
    5 |     for i in 0..9 {
    6 |         board[i / 3][i % 3] = (i + 1).str()
      |              ~~~~~~~
    7 |     }
    8 |     return board
vlib/v/checker/tests/with_check_option/v_tictactoe.vv:6:21: error: unknown type for expression `board[i / 3]`
    4 |     mut board := [3][]string{ len: 3, init: []string{ len: 3, init: '' } }
    5 |     for i in 0..9 {
    6 |         board[i / 3][i % 3] = (i + 1).str()
      |                     ~~~~~~~
    7 |     }
    8 |     return board
